Patents by Inventor Frederich Nguyen Van Dau

Frederich Nguyen Van Dau has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Variable capacitor voltage-controllable by use of coulomb blocking phenomenon
    Patent number: 6903915
    Abstract: Variable capacitive device, such as a capacitor, controllable in voltage Vc including at least one first armature (L) and one second armature (R), the armatures being separated by an insulation layer (D) including several conducting aggregates separated from each other. The use of the capacitor according to the invention in a resonant circuit.
    Type: Grant
    Filed: November 13, 2001
    Date of Patent: June 7, 2005
    Assignee: Thales
    Inventors: Alain Friederich, Frédérich Nguyen Van Dau, Albert Fert, Henri Jaffres
  • Variable capacitance voltag-controlllable by use of coulomb barrier phenomenon
    Publication number: 20040047110
    Abstract: Variable capacitive device, such as a capacitor, controllable in voltage Vc comprising at least one first armature (L) and one second armature (R), the armatures being separated by an insulation layer (D) including several conducting aggregates separated from each other.
    Type: Application
    Filed: May 16, 2003
    Publication date: March 11, 2004
    Inventors: Alain Friederich, Frederich Nguyen Van Dau, Albert Fert, Henri Jaffres